Appliance mode iControl REST vulnerability_CVE-2026-42930

{
    "lastseen": "",
    "description": "When running in Appliance mode, an authenticated attacker assigned the 'Administrator' role may be able to bypass Appliance mode restrictions on a BIG-IP system.\n\n\u00a0Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.",
    "published": "2026-05-13T14:12:42.886Z",
    "modified": "2026-05-13T14:12:42.886Z",
    "type": "cve",
    "title": "Appliance mode iControl REST vulnerability",
    "source": "f5",
    "references": "https://my.f5.com/manage/s/article/K000160876",
    "id": "CVE-2026-42930",
    "bulletinFamily": "",
    "cwe": [
        "CWE-35"
    ],
    "cvelist": null,
    "sourceData": "F5 BIG-IP 21.0.0\nF5 BIG-IP 17.5.0\nF5 BIG-IP 17.1.0\nF5 BIG-IP 16.1.0",
    "sourceHref": "",
    "cvss": {
        "score": 8.7,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "BIG-IP",
    "version": "21.1.0",
    "vendor": "F5",
    "ai_description": "Appliance mode iControl REST vulnerability allowing authenticated attackers to bypass restrictions",
    "ai_severity": "High",
    "ai_vendor": "F5",
    "ai_product": "BIG-IP",
    "ai_version": "16.1.0, 17.1.0, 17.5.0, 21.0.0, 21.1.0",
    "ai_score": 8.7
}